Article Two Periods of Porphyry Cu Mineralization and Metallogenic Implications in the Tuwu–Yandong Belt...2,3 1 2 3 4 * and Chao Li 4 State Key Laboratory of Geological Processes and Mineral Resources,...porphyry Cu deposits (Fuxing, Yandong, Tuwu, Linglong, and Chihu), constituting the largest Cu metallogenic...of molybdenite from the Tuwu, Linglong, and Chihu deposits and comparisons with previous geochronological...(335–330 Ma and 323–315 Ma) of porphyry Cu–Mo mineralization occurred in the Tuwu–Yandong belt, and the metals